#!/usr/bin/env python

#****************************************************************************
# wpview.py, provides the view for waypoint details
#
# FlyWay, a VFR/IFR Route Planner for Pilots
# Copyright (C) 2002, Douglas W. Bell
#
# This is free software; you can redistribute it and/or modify it under the 
# terms of the GNU General Public License, Version 2.  This program is 
# distributed in the hope that it will be useful, but WITTHOUT ANY WARRANTY.
#*****************************************************************************

import routeview
from qt import *


class WpView(QScrollView):
    """Waypoint description window"""
    idStart = (20, 20)
    thirdsCol = (100, 250, 400)
    halfCol = (80, 280)
    rowSize = 20
    def __init__(self, parent=None, name=None):
        QScrollView.__init__(self, parent, name)
        self.viewport().setBackgroundMode(QWidget.PaletteBase)
        self.viewport().setFocusPolicy(QWidget.NoFocus)
        self.selWp = None
        self.normFont = self.font()

    def setSelWp(self, wp):
        """Slot to set the selected waypoint"""
        self.selWp = wp
        if self.selWp:
            self.resizeContents(routeview.RouteView.totalWidth, \
                                WpView.idStart[1] \
                                + self.selWp.detailNumLines() * WpView.rowSize)
        else:
            self.resizeContents(1, 1)
        self.viewport().update()

    def paintWp(self, painter, wp):
        """Paint waypoint info"""
        painter.setFont(self.normFont)
        painter.drawText(WpView.idStart[0], WpView.idStart[1], wp.ident())
        painter.drawText(WpView.halfCol[0], WpView.idStart[1], \
                         wp.description())
        info = wp.detailList()
        row = WpView.idStart[1] + WpView.rowSize
        for col in WpView.thirdsCol:
            painter.drawText(col, row, info.pop(0))
        while info:
            row += WpView.rowSize
            painter.drawText(WpView.halfCol[0], row, info.pop(0))
            painter.drawText(WpView.halfCol[1], row, info.pop(0))

    def drawContents(self, painter, clipX=None, clipY=None, \
                     clipW=None, clipH=None):
        """Paint view"""
        if clipX == None:   # none is for wrong overridden function
            return QFrame.drawContents(self, painter)
        pal = self.palette()
        painter.setPen(pal.color(QPalette.Active, QColorGroup.Text))
        if self.selWp:
            self.paintWp(painter, self.selWp)